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Proceedings Paper

Photochromatic and other optical effects in HTSC films
Author(s): Sergei I. Tiutiunnikov; Valerii N. Shaliapin; N. I. Balalykin; N. Scintee
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Paper Abstract

The measurement results of transmission spectra through super-conducting films are given. Used were: YBCO(123) - Tc equals 77 K; BSCCO(2212) - Tc equals 80 K; TBCCO - Tc equals 87 K, in a light energy range E equals 1.4 divided by 3.2 eV and T equals 5 divided by 300 K. The YBCO transmission spectra present an anomaly at T less than 70 K, E equals 1.9 eV. All HTSC films have a maximum of the absorption band at E approximately equals 2 eV. The photochromatic effect (light-induced photo-absorption) was observed in all films. The quantity of this effect depends on the type of the sample and critical temperatures (Tc). Remnant optic radiation was detected after film light irradiation.

Paper Details

Date Published: 4 February 1997
PDF: 5 pages
Proc. SPIE 2967, Optical Inorganic Dielectric Materials and Devices, (4 February 1997); doi: 10.1117/12.266547
Show Author Affiliations
Sergei I. Tiutiunnikov, Joint Institute of Nuclear Research (Russia)
Valerii N. Shaliapin, Joint Institute of Nuclear Research (Russia)
N. I. Balalykin, Joint Institute of Nuclear Research (Russia)
N. Scintee, Institute of Atomic Physics (Romania)

Published in SPIE Proceedings Vol. 2967:
Optical Inorganic Dielectric Materials and Devices
Andris Krumins; Donats K. Millers; Andris R. Sternberg; Janis Spigulis, Editor(s)

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